stm32l4xx_hal_can_legacy.h 35 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32l4xx_hal_can_legacy.h
  4. * @author MCD Application Team
  5. * @brief Header file of CAN HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32L4xx_CAN_LEGACY_H
  37. #define __STM32L4xx_CAN_LEGACY_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. #if defined(CAN1)
  42. /* Includes ------------------------------------------------------------------*/
  43. #include "stm32l4xx_hal_def.h"
  44. /** @addtogroup STM32L4xx_HAL_Driver
  45. * @{
  46. */
  47. /** @addtogroup CAN
  48. * @{
  49. */
  50. /* Exported types ------------------------------------------------------------*/
  51. /** @defgroup CAN_Exported_Types CAN Exported Types
  52. * @{
  53. */
  54. /**
  55. * @brief HAL State structures definition
  56. */
  57. typedef enum
  58. {
  59. HAL_CAN_STATE_RESET = 0x00, /*!< CAN not yet initialized or disabled */
  60. HAL_CAN_STATE_READY = 0x01, /*!< CAN initialized and ready for use */
  61. HAL_CAN_STATE_BUSY = 0x02, /*!< CAN process is ongoing */
  62. HAL_CAN_STATE_BUSY_TX = 0x12, /*!< CAN process is ongoing */
  63. HAL_CAN_STATE_BUSY_RX = 0x22, /*!< CAN process is ongoing */
  64. HAL_CAN_STATE_BUSY_TX_RX = 0x32, /*!< CAN process is ongoing */
  65. HAL_CAN_STATE_TIMEOUT = 0x03, /*!< Timeout state */
  66. HAL_CAN_STATE_ERROR = 0x04 /*!< CAN error state */
  67. }HAL_CAN_StateTypeDef;
  68. /**
  69. * @brief CAN init structure definition
  70. */
  71. typedef struct
  72. {
  73. uint32_t Prescaler; /*!< Specifies the length of a time quantum.
  74. This parameter must be a number between Min_Data = 1 and Max_Data = 1024 */
  75. uint32_t Mode; /*!< Specifies the CAN operating mode.
  76. This parameter can be a value of @ref CAN_operating_mode */
  77. uint32_t SJW; /*!< Specifies the maximum number of time quanta
  78. the CAN hardware is allowed to lengthen or
  79. shorten a bit to perform resynchronization.
  80. This parameter can be a value of @ref CAN_synchronisation_jump_width */
  81. uint32_t BS1; /*!< Specifies the number of time quanta in Bit Segment 1.
  82. This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_1 */
  83. uint32_t BS2; /*!< Specifies the number of time quanta in Bit Segment 2.
  84. This parameter can be a value of @ref CAN_time_quantum_in_bit_segment_2 */
  85. uint32_t TTCM; /*!< Enable or disable the time triggered communication mode.
  86. This parameter can be set to ENABLE or DISABLE. */
  87. uint32_t ABOM; /*!< Enable or disable the automatic bus-off management.
  88. This parameter can be set to ENABLE or DISABLE */
  89. uint32_t AWUM; /*!< Enable or disable the automatic wake-up mode.
  90. This parameter can be set to ENABLE or DISABLE */
  91. uint32_t NART; /*!< Enable or disable the non-automatic retransmission mode.
  92. This parameter can be set to ENABLE or DISABLE */
  93. uint32_t RFLM; /*!< Enable or disable the receive FIFO Locked mode.
  94. This parameter can be set to ENABLE or DISABLE */
  95. uint32_t TXFP; /*!< Enable or disable the transmit FIFO priority.
  96. This parameter can be set to ENABLE or DISABLE */
  97. }CAN_InitTypeDef;
  98. /**
  99. * @brief CAN filter configuration structure definition
  100. */
  101. typedef struct
  102. {
  103. uint32_t FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit
  104. configuration, first one for a 16-bit configuration).
  105. This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
  106. uint32_t FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit
  107. configuration, second one for a 16-bit configuration).
  108. This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
  109. uint32_t FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number,
  110. according to the mode (MSBs for a 32-bit configuration,
  111. first one for a 16-bit configuration).
  112. This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
  113. uint32_t FilterMaskIdLow; /*!< Specifies the filter mask number or identification number,
  114. according to the mode (LSBs for a 32-bit configuration,
  115. second one for a 16-bit configuration).
  116. This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF */
  117. uint32_t FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1) which will be assigned to the filter.
  118. This parameter can be a value of @ref CAN_filter_FIFO */
  119. uint32_t FilterNumber; /*!< Specifies the filter which will be initialized.
  120. This parameter must be a number between Min_Data = 0 and Max_Data = 27 */
  121. uint32_t FilterMode; /*!< Specifies the filter mode to be initialized.
  122. This parameter can be a value of @ref CAN_filter_mode */
  123. uint32_t FilterScale; /*!< Specifies the filter scale.
  124. This parameter can be a value of @ref CAN_filter_scale */
  125. uint32_t FilterActivation; /*!< Enable or disable the filter.
  126. This parameter can be set to ENABLE or DISABLE */
  127. uint32_t BankNumber; /*!< Select the start slave bank filter.
  128. This parameter must be a number between Min_Data = 0 and Max_Data = 28 */
  129. }CAN_FilterConfTypeDef;
  130. /**
  131. * @brief CAN Tx message structure definition
  132. */
  133. typedef struct
  134. {
  135. uint32_t StdId; /*!< Specifies the standard identifier.
  136. This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */
  137. uint32_t ExtId; /*!< Specifies the extended identifier.
  138. This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */
  139. uint32_t IDE; /*!< Specifies the type of identifier for the message that will be transmitted.
  140. This parameter can be a value of @ref CAN_identifier_type */
  141. uint32_t RTR; /*!< Specifies the type of frame for the message that will be transmitted.
  142. This parameter can be a value of @ref CAN_remote_transmission_request */
  143. uint32_t DLC; /*!< Specifies the length of the frame that will be transmitted.
  144. This parameter must be a number between Min_Data = 0 and Max_Data = 8 */
  145. uint8_t Data[8]; /*!< Contains the data to be transmitted.
  146. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */
  147. }CanTxMsgTypeDef;
  148. /**
  149. * @brief CAN Rx message structure definition
  150. */
  151. typedef struct
  152. {
  153. uint32_t StdId; /*!< Specifies the standard identifier.
  154. This parameter must be a number between Min_Data = 0 and Max_Data = 0x7FF */
  155. uint32_t ExtId; /*!< Specifies the extended identifier.
  156. This parameter must be a number between Min_Data = 0 and Max_Data = 0x1FFFFFFF */
  157. uint32_t IDE; /*!< Specifies the type of identifier for the message that will be received.
  158. This parameter can be a value of @ref CAN_identifier_type */
  159. uint32_t RTR; /*!< Specifies the type of frame for the received message.
  160. This parameter can be a value of @ref CAN_remote_transmission_request */
  161. uint32_t DLC; /*!< Specifies the length of the frame that will be received.
  162. This parameter must be a number between Min_Data = 0 and Max_Data = 8 */
  163. uint8_t Data[8]; /*!< Contains the data to be received.
  164. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */
  165. uint32_t FMI; /*!< Specifies the index of the filter the message stored in the mailbox passes through.
  166. This parameter must be a number between Min_Data = 0 and Max_Data = 0xFF */
  167. uint32_t FIFONumber; /*!< Specifies the receive FIFO number.
  168. This parameter can be CAN_FIFO0 or CAN_FIFO1 */
  169. }CanRxMsgTypeDef;
  170. /**
  171. * @brief CAN handle Structure definition
  172. */
  173. typedef struct
  174. {
  175. CAN_TypeDef *Instance; /*!< Register base address */
  176. CAN_InitTypeDef Init; /*!< CAN required parameters */
  177. CanTxMsgTypeDef* pTxMsg; /*!< Pointer to transmit structure */
  178. CanRxMsgTypeDef* pRxMsg; /*!< Pointer to reception structure */
  179. __IO HAL_CAN_StateTypeDef State; /*!< CAN communication state */
  180. HAL_LockTypeDef Lock; /*!< CAN locking object */
  181. __IO uint32_t ErrorCode; /*!< CAN Error code */
  182. }CAN_HandleTypeDef;
  183. /**
  184. * @}
  185. */
  186. /* Exported constants --------------------------------------------------------*/
  187. /** @defgroup CAN_Exported_Constants CAN Exported Constants
  188. * @{
  189. */
  190. /** @defgroup CAN_Error_Code CAN Error Code
  191. * @{
  192. */
  193. #define HAL_CAN_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
  194. #define HAL_CAN_ERROR_EWG ((uint32_t)0x00000001) /*!< EWG error */
  195. #define HAL_CAN_ERROR_EPV ((uint32_t)0x00000002) /*!< EPV error */
  196. #define HAL_CAN_ERROR_BOF ((uint32_t)0x00000004) /*!< BOF error */
  197. #define HAL_CAN_ERROR_STF ((uint32_t)0x00000008) /*!< Stuff error */
  198. #define HAL_CAN_ERROR_FOR ((uint32_t)0x00000010) /*!< Form error */
  199. #define HAL_CAN_ERROR_ACK ((uint32_t)0x00000020) /*!< Acknowledgment error */
  200. #define HAL_CAN_ERROR_BR ((uint32_t)0x00000040) /*!< Bit recessive */
  201. #define HAL_CAN_ERROR_BD ((uint32_t)0x00000080) /*!< LEC dominant */
  202. #define HAL_CAN_ERROR_CRC ((uint32_t)0x00000100) /*!< LEC transfer error */
  203. #define HAL_CAN_ERROR_FOV0 ((uint32_t)0x00000200) /*!< FIFO0 overrun error */
  204. #define HAL_CAN_ERROR_FOV1 ((uint32_t)0x00000400) /*!< FIFO1 overrun error */
  205. /**
  206. * @}
  207. */
  208. /** @defgroup CAN_InitStatus CAN initialization Status
  209. * @{
  210. */
  211. #define CAN_INITSTATUS_FAILED ((uint32_t)0x00000000) /*!< CAN initialization failed */
  212. #define CAN_INITSTATUS_SUCCESS ((uint32_t)0x00000001) /*!< CAN initialization OK */
  213. /**
  214. * @}
  215. */
  216. /** @defgroup CAN_operating_mode CAN Operating Mode
  217. * @{
  218. */
  219. #define CAN_MODE_NORMAL ((uint32_t)0x00000000) /*!< Normal mode */
  220. #define CAN_MODE_LOOPBACK ((uint32_t)CAN_BTR_LBKM) /*!< Loopback mode */
  221. #define CAN_MODE_SILENT ((uint32_t)CAN_BTR_SILM) /*!< Silent mode */
  222. #define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with silent mode */
  223. /**
  224. * @}
  225. */
  226. /** @defgroup CAN_synchronisation_jump_width CAN Synchronization Jump Width
  227. * @{
  228. */
  229. #define CAN_SJW_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */
  230. #define CAN_SJW_2TQ ((uint32_t)CAN_BTR_SJW_0) /*!< 2 time quantum */
  231. #define CAN_SJW_3TQ ((uint32_t)CAN_BTR_SJW_1) /*!< 3 time quantum */
  232. #define CAN_SJW_4TQ ((uint32_t)CAN_BTR_SJW) /*!< 4 time quantum */
  233. /**
  234. * @}
  235. */
  236. /** @defgroup CAN_time_quantum_in_bit_segment_1 CAN Time Quantum in Bit Segment 1
  237. * @{
  238. */
  239. #define CAN_BS1_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */
  240. #define CAN_BS1_2TQ ((uint32_t)CAN_BTR_TS1_0) /*!< 2 time quantum */
  241. #define CAN_BS1_3TQ ((uint32_t)CAN_BTR_TS1_1) /*!< 3 time quantum */
  242. #define CAN_BS1_4TQ ((uint32_t)(CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 4 time quantum */
  243. #define CAN_BS1_5TQ ((uint32_t)CAN_BTR_TS1_2) /*!< 5 time quantum */
  244. #define CAN_BS1_6TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 6 time quantum */
  245. #define CAN_BS1_7TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 7 time quantum */
  246. #define CAN_BS1_8TQ ((uint32_t)(CAN_BTR_TS1_2 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 8 time quantum */
  247. #define CAN_BS1_9TQ ((uint32_t)CAN_BTR_TS1_3) /*!< 9 time quantum */
  248. #define CAN_BS1_10TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_0)) /*!< 10 time quantum */
  249. #define CAN_BS1_11TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1)) /*!< 11 time quantum */
  250. #define CAN_BS1_12TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_1 | CAN_BTR_TS1_0)) /*!< 12 time quantum */
  251. #define CAN_BS1_13TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2)) /*!< 13 time quantum */
  252. #define CAN_BS1_14TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_0)) /*!< 14 time quantum */
  253. #define CAN_BS1_15TQ ((uint32_t)(CAN_BTR_TS1_3 | CAN_BTR_TS1_2 | CAN_BTR_TS1_1)) /*!< 15 time quantum */
  254. #define CAN_BS1_16TQ ((uint32_t)CAN_BTR_TS1) /*!< 16 time quantum */
  255. /**
  256. * @}
  257. */
  258. /** @defgroup CAN_time_quantum_in_bit_segment_2 CAN Time Quantum in Bit Segment 2
  259. * @{
  260. */
  261. #define CAN_BS2_1TQ ((uint32_t)0x00000000) /*!< 1 time quantum */
  262. #define CAN_BS2_2TQ ((uint32_t)CAN_BTR_TS2_0) /*!< 2 time quantum */
  263. #define CAN_BS2_3TQ ((uint32_t)CAN_BTR_TS2_1) /*!< 3 time quantum */
  264. #define CAN_BS2_4TQ ((uint32_t)(CAN_BTR_TS2_1 | CAN_BTR_TS2_0)) /*!< 4 time quantum */
  265. #define CAN_BS2_5TQ ((uint32_t)CAN_BTR_TS2_2) /*!< 5 time quantum */
  266. #define CAN_BS2_6TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_0)) /*!< 6 time quantum */
  267. #define CAN_BS2_7TQ ((uint32_t)(CAN_BTR_TS2_2 | CAN_BTR_TS2_1)) /*!< 7 time quantum */
  268. #define CAN_BS2_8TQ ((uint32_t)CAN_BTR_TS2) /*!< 8 time quantum */
  269. /**
  270. * @}
  271. */
  272. /** @defgroup CAN_filter_mode CAN Filter Mode
  273. * @{
  274. */
  275. #define CAN_FILTERMODE_IDMASK ((uint8_t)0x00) /*!< Identifier mask mode */
  276. #define CAN_FILTERMODE_IDLIST ((uint8_t)0x01) /*!< Identifier list mode */
  277. /**
  278. * @}
  279. */
  280. /** @defgroup CAN_filter_scale CAN Filter Scale
  281. * @{
  282. */
  283. #define CAN_FILTERSCALE_16BIT ((uint8_t)0x00) /*!< Two 16-bit filters */
  284. #define CAN_FILTERSCALE_32BIT ((uint8_t)0x01) /*!< One 32-bit filter */
  285. /**
  286. * @}
  287. */
  288. /** @defgroup CAN_filter_FIFO CAN Filter FIFO
  289. * @{
  290. */
  291. #define CAN_FILTER_FIFO0 ((uint8_t)0x00) /*!< Filter FIFO 0 assignment for filter x */
  292. #define CAN_FILTER_FIFO1 ((uint8_t)0x01) /*!< Filter FIFO 1 assignment for filter x */
  293. /**
  294. * @}
  295. */
  296. /** @defgroup CAN_identifier_type CAN Identifier Type
  297. * @{
  298. */
  299. #define CAN_ID_STD ((uint32_t)0x00000000) /*!< Standard Id */
  300. #define CAN_ID_EXT ((uint32_t)0x00000004) /*!< Extended Id */
  301. /**
  302. * @}
  303. */
  304. /** @defgroup CAN_remote_transmission_request CAN Remote Transmission Request
  305. * @{
  306. */
  307. #define CAN_RTR_DATA ((uint32_t)0x00000000) /*!< Data frame */
  308. #define CAN_RTR_REMOTE ((uint32_t)0x00000002) /*!< Remote frame */
  309. /**
  310. * @}
  311. */
  312. /** @defgroup CAN_receive_FIFO_number_constants CAN Receive FIFO Number
  313. * @{
  314. */
  315. #define CAN_FIFO0 ((uint8_t)0x00) /*!< CAN FIFO 0 used to receive */
  316. #define CAN_FIFO1 ((uint8_t)0x01) /*!< CAN FIFO 1 used to receive */
  317. /**
  318. * @}
  319. */
  320. /** @defgroup CAN_flags CAN Flags
  321. * @{
  322. */
  323. /* If the flag is 0x3XXXXXXX, it means that it can be used with CAN_GetFlagStatus()
  324. and CAN_ClearFlag() functions. */
  325. /* If the flag is 0x1XXXXXXX, it means that it can only be used with
  326. CAN_GetFlagStatus() function. */
  327. /* Transmit Flags */
  328. #define CAN_FLAG_RQCP0 ((uint32_t)0x00000500) /*!< Request MailBox0 flag */
  329. #define CAN_FLAG_RQCP1 ((uint32_t)0x00000508) /*!< Request MailBox1 flag */
  330. #define CAN_FLAG_RQCP2 ((uint32_t)0x00000510) /*!< Request MailBox2 flag */
  331. #define CAN_FLAG_TXOK0 ((uint32_t)0x00000501) /*!< Transmission OK MailBox0 flag */
  332. #define CAN_FLAG_TXOK1 ((uint32_t)0x00000509) /*!< Transmission OK MailBox1 flag */
  333. #define CAN_FLAG_TXOK2 ((uint32_t)0x00000511) /*!< Transmission OK MailBox2 flag */
  334. #define CAN_FLAG_TME0 ((uint32_t)0x0000051A) /*!< Transmit mailbox 0 empty flag */
  335. #define CAN_FLAG_TME1 ((uint32_t)0x0000051B) /*!< Transmit mailbox 0 empty flag */
  336. #define CAN_FLAG_TME2 ((uint32_t)0x0000051C) /*!< Transmit mailbox 0 empty flag */
  337. /* Receive Flags */
  338. #define CAN_FLAG_FF0 ((uint32_t)0x00000203) /*!< FIFO 0 Full flag */
  339. #define CAN_FLAG_FOV0 ((uint32_t)0x00000204) /*!< FIFO 0 Overrun flag */
  340. #define CAN_FLAG_FF1 ((uint32_t)0x00000403) /*!< FIFO 1 Full flag */
  341. #define CAN_FLAG_FOV1 ((uint32_t)0x00000404) /*!< FIFO 1 Overrun flag */
  342. /* Operating Mode Flags */
  343. #define CAN_FLAG_WKU ((uint32_t)0x00000103) /*!< Wake up flag */
  344. #define CAN_FLAG_SLAK ((uint32_t)0x00000101) /*!< Sleep acknowledge flag */
  345. #define CAN_FLAG_SLAKI ((uint32_t)0x00000104) /*!< Sleep acknowledge flag */
  346. /* @note When SLAK interrupt is disabled (SLKIE=0), no polling on SLAKI is possible.
  347. In this case the SLAK bit can be polled.*/
  348. /* Error Flags */
  349. #define CAN_FLAG_EWG ((uint32_t)0x00000300) /*!< Error warning flag */
  350. #define CAN_FLAG_EPV ((uint32_t)0x00000301) /*!< Error passive flag */
  351. #define CAN_FLAG_BOF ((uint32_t)0x00000302) /*!< Bus-Off flag */
  352. /**
  353. * @}
  354. */
  355. /** @defgroup CAN_interrupts CAN Interrupts
  356. * @{
  357. */
  358. #define CAN_IT_TME ((uint32_t)CAN_IER_TMEIE) /*!< Transmit mailbox empty interrupt */
  359. /* Receive Interrupts */
  360. #define CAN_IT_FMP0 ((uint32_t)CAN_IER_FMPIE0) /*!< FIFO 0 message pending interrupt */
  361. #define CAN_IT_FF0 ((uint32_t)CAN_IER_FFIE0) /*!< FIFO 0 full interrupt */
  362. #define CAN_IT_FOV0 ((uint32_t)CAN_IER_FOVIE0) /*!< FIFO 0 overrun interrupt */
  363. #define CAN_IT_FMP1 ((uint32_t)CAN_IER_FMPIE1) /*!< FIFO 1 message pending interrupt */
  364. #define CAN_IT_FF1 ((uint32_t)CAN_IER_FFIE1) /*!< FIFO 1 full interrupt */
  365. #define CAN_IT_FOV1 ((uint32_t)CAN_IER_FOVIE1) /*!< FIFO 1 overrun interrupt */
  366. /* Operating Mode Interrupts */
  367. #define CAN_IT_WKU ((uint32_t)CAN_IER_WKUIE) /*!< Wake-up interrupt */
  368. #define CAN_IT_SLK ((uint32_t)CAN_IER_SLKIE) /*!< Sleep acknowledge interrupt */
  369. /* Error Interrupts */
  370. #define CAN_IT_EWG ((uint32_t)CAN_IER_EWGIE) /*!< Error warning interrupt */
  371. #define CAN_IT_EPV ((uint32_t)CAN_IER_EPVIE) /*!< Error passive interrupt */
  372. #define CAN_IT_BOF ((uint32_t)CAN_IER_BOFIE) /*!< Bus-off interrupt */
  373. #define CAN_IT_LEC ((uint32_t)CAN_IER_LECIE) /*!< Last error code interrupt */
  374. #define CAN_IT_ERR ((uint32_t)CAN_IER_ERRIE) /*!< Error Interrupt */
  375. /**
  376. * @}
  377. */
  378. /* Mailboxes definition */
  379. #define CAN_TXMAILBOX_0 ((uint8_t)0x00)
  380. #define CAN_TXMAILBOX_1 ((uint8_t)0x01)
  381. #define CAN_TXMAILBOX_2 ((uint8_t)0x02)
  382. /**
  383. * @}
  384. */
  385. /* Exported macros -----------------------------------------------------------*/
  386. /** @defgroup CAN_Exported_Macro CAN Exported Macros
  387. * @{
  388. */
  389. /** @brief Reset CAN handle state.
  390. * @param __HANDLE__: CAN handle.
  391. * @retval None
  392. */
  393. #define __HAL_CAN_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_CAN_STATE_RESET)
  394. /**
  395. * @brief Enable the specified CAN interrupt.
  396. * @param __HANDLE__: CAN handle.
  397. * @param __INTERRUPT__: CAN Interrupt.
  398. * @retval None
  399. */
  400. #define __HAL_CAN_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) |= (__INTERRUPT__))
  401. /**
  402. * @brief Disable the specified CAN interrupt.
  403. * @param __HANDLE__: CAN handle.
  404. * @param __INTERRUPT__: CAN Interrupt.
  405. * @retval None
  406. */
  407. #define __HAL_CAN_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->IER) &= ~(__INTERRUPT__))
  408. /**
  409. * @brief Return the number of pending received messages.
  410. * @param __HANDLE__: CAN handle.
  411. * @param __FIFONUMBER__: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
  412. * @retval The number of pending message.
  413. */
  414. #define __HAL_CAN_MSG_PENDING(__HANDLE__, __FIFONUMBER__) (((__FIFONUMBER__) == CAN_FIFO0)? \
  415. ((uint8_t)((__HANDLE__)->Instance->RF0R&(uint32_t)0x03)) : ((uint8_t)((__HANDLE__)->Instance->RF1R&(uint32_t)0x03)))
  416. /** @brief Check whether the specified CAN flag is set or not.
  417. * @param __HANDLE__: specifies the CAN Handle.
  418. * @param __FLAG__: specifies the flag to check.
  419. * This parameter can be one of the following values:
  420. * @arg CAN_TSR_RQCP0: Request MailBox0 Flag
  421. * @arg CAN_TSR_RQCP1: Request MailBox1 Flag
  422. * @arg CAN_TSR_RQCP2: Request MailBox2 Flag
  423. * @arg CAN_FLAG_TXOK0: Transmission OK MailBox0 Flag
  424. * @arg CAN_FLAG_TXOK1: Transmission OK MailBox1 Flag
  425. * @arg CAN_FLAG_TXOK2: Transmission OK MailBox2 Flag
  426. * @arg CAN_FLAG_TME0: Transmit mailbox 0 empty Flag
  427. * @arg CAN_FLAG_TME1: Transmit mailbox 1 empty Flag
  428. * @arg CAN_FLAG_TME2: Transmit mailbox 2 empty Flag
  429. * @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag
  430. * @arg CAN_FLAG_FF0: FIFO 0 Full Flag
  431. * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
  432. * @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag
  433. * @arg CAN_FLAG_FF1: FIFO 1 Full Flag
  434. * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
  435. * @arg CAN_FLAG_WKU: Wake up Flag
  436. * @arg CAN_FLAG_SLAK: Sleep acknowledge Flag
  437. * @arg CAN_FLAG_SLAKI: Sleep acknowledge Flag
  438. * @arg CAN_FLAG_EWG: Error Warning Flag
  439. * @arg CAN_FLAG_EPV: Error Passive Flag
  440. * @arg CAN_FLAG_BOF: Bus-Off Flag
  441. * @retval The new state of __FLAG__ (TRUE or FALSE).
  442. */
  443. #define __HAL_CAN_GET_FLAG(__HANDLE__, __FLAG__) \
  444. ((((__FLAG__) >> 8) == 5)? ((((__HANDLE__)->Instance->TSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  445. (((__FLAG__) >> 8) == 2)? ((((__HANDLE__)->Instance->RF0R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  446. (((__FLAG__) >> 8) == 4)? ((((__HANDLE__)->Instance->RF1R) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  447. (((__FLAG__) >> 8) == 1)? ((((__HANDLE__)->Instance->MSR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  448. ((((__HANDLE__)->Instance->ESR) & (1U << ((__FLAG__) & CAN_FLAG_MASK))) == (1U << ((__FLAG__) & CAN_FLAG_MASK))))
  449. /** @brief Clear the specified CAN pending flag.
  450. * @param __HANDLE__: specifies the CAN Handle.
  451. * @param __FLAG__: specifies the flag to check.
  452. * This parameter can be one of the following values:
  453. * @arg CAN_TSR_RQCP0: Request MailBox0 Flag
  454. * @arg CAN_TSR_RQCP1: Request MailBox1 Flag
  455. * @arg CAN_TSR_RQCP2: Request MailBox2 Flag
  456. * @arg CAN_FLAG_TXOK0: Transmission OK MailBox0 Flag
  457. * @arg CAN_FLAG_TXOK1: Transmission OK MailBox1 Flag
  458. * @arg CAN_FLAG_TXOK2: Transmission OK MailBox2 Flag
  459. * @arg CAN_FLAG_TME0: Transmit mailbox 0 empty Flag
  460. * @arg CAN_FLAG_TME1: Transmit mailbox 1 empty Flag
  461. * @arg CAN_FLAG_TME2: Transmit mailbox 2 empty Flag
  462. * @arg CAN_FLAG_FMP0: FIFO 0 Message Pending Flag
  463. * @arg CAN_FLAG_FF0: FIFO 0 Full Flag
  464. * @arg CAN_FLAG_FOV0: FIFO 0 Overrun Flag
  465. * @arg CAN_FLAG_FMP1: FIFO 1 Message Pending Flag
  466. * @arg CAN_FLAG_FF1: FIFO 1 Full Flag
  467. * @arg CAN_FLAG_FOV1: FIFO 1 Overrun Flag
  468. * @arg CAN_FLAG_WKU: Wake up Flag
  469. * @arg CAN_FLAG_SLAKI: Sleep acknowledge Flag
  470. * @retval The new state of __FLAG__ (TRUE or FALSE).
  471. */
  472. #define __HAL_CAN_CLEAR_FLAG(__HANDLE__, __FLAG__) \
  473. ((((__FLAG__) >> 8U) == 5)? (((__HANDLE__)->Instance->TSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  474. (((__FLAG__) >> 8U) == 2)? (((__HANDLE__)->Instance->RF0R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  475. (((__FLAG__) >> 8U) == 4)? (((__HANDLE__)->Instance->RF1R) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): \
  476. (((__FLAG__) >> 8U) == 1)? (((__HANDLE__)->Instance->MSR) = (1U << ((__FLAG__) & CAN_FLAG_MASK))): 0)
  477. /** @brief Check whether the specified CAN interrupt source is enabled or not.
  478. * @param __HANDLE__: specifies the CAN Handle.
  479. * @param __INTERRUPT__: specifies the CAN interrupt source to check.
  480. * This parameter can be one of the following values:
  481. * @arg CAN_IT_TME: Transmit mailbox empty interrupt enable
  482. * @arg CAN_IT_FMP0: FIFO0 message pending interrupt enable
  483. * @arg CAN_IT_FMP1: FIFO1 message pending interrupt enable
  484. * @retval The new state of __IT__ (TRUE or FALSE).
  485. */
  486. #define __HAL_CAN_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->IER & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)
  487. /**
  488. * @brief Check the transmission status of a CAN Frame.
  489. * @param __HANDLE__: specifies the CAN Handle.
  490. * @param __TRANSMITMAILBOX__: the number of the mailbox that is used for transmission.
  491. * @retval The new status of transmission (TRUE or FALSE).
  492. */
  493. #define __HAL_CAN_TRANSMIT_STATUS(__HANDLE__, __TRANSMITMAILBOX__)\
  494. (((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_0)? ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0)) == (CAN_TSR_RQCP0 | CAN_TSR_TXOK0 | CAN_TSR_TME0)) :\
  495. ((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_1)? ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1)) == (CAN_TSR_RQCP1 | CAN_TSR_TXOK1 | CAN_TSR_TME1)) :\
  496. ((((__HANDLE__)->Instance->TSR) & (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2)) == (CAN_TSR_RQCP2 | CAN_TSR_TXOK2 | CAN_TSR_TME2)))
  497. /**
  498. * @brief Release the specified receive FIFO.
  499. * @param __HANDLE__: CAN handle.
  500. * @param __FIFONUMBER__: Receive FIFO number, CAN_FIFO0 or CAN_FIFO1.
  501. * @retval None
  502. */
  503. #define __HAL_CAN_FIFO_RELEASE(__HANDLE__, __FIFONUMBER__) (((__FIFONUMBER__) == CAN_FIFO0)? \
  504. ((__HANDLE__)->Instance->RF0R |= CAN_RF0R_RFOM0) : ((__HANDLE__)->Instance->RF1R |= CAN_RF1R_RFOM1))
  505. /**
  506. * @brief Cancel a transmit request.
  507. * @param __HANDLE__: specifies the CAN Handle.
  508. * @param __TRANSMITMAILBOX__: the number of the mailbox that is used for transmission.
  509. * @retval None
  510. */
  511. #define __HAL_CAN_CANCEL_TRANSMIT(__HANDLE__, __TRANSMITMAILBOX__)\
  512. (((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_0)? ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ0) :\
  513. ((__TRANSMITMAILBOX__) == CAN_TXMAILBOX_1)? ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ1) :\
  514. ((__HANDLE__)->Instance->TSR |= CAN_TSR_ABRQ2))
  515. /**
  516. * @brief Enable or disable the DBG Freeze for CAN.
  517. * @param __HANDLE__: specifies the CAN Handle.
  518. * @param __NEWSTATE__: new state of the CAN peripheral.
  519. * This parameter can be: ENABLE (CAN reception/transmission is frozen
  520. * during debug. Reception FIFO can still be accessed/controlled normally)
  521. * or DISABLE (CAN is working during debug).
  522. * @retval None
  523. */
  524. #define __HAL_CAN_DBG_FREEZE(__HANDLE__, __NEWSTATE__) (((__NEWSTATE__) == ENABLE)? \
  525. ((__HANDLE__)->Instance->MCR |= CAN_MCR_DBF) : ((__HANDLE__)->Instance->MCR &= ~CAN_MCR_DBF))
  526. /**
  527. * @}
  528. */
  529. /* Exported functions --------------------------------------------------------*/
  530. /** @addtogroup CAN_Exported_Functions CAN Exported Functions
  531. * @{
  532. */
  533. /** @defgroup CAN_Exported_Functions_Group1 Initialization and de-initialization functions
  534. * @brief Initialization and Configuration functions
  535. * @{
  536. */
  537. /* addtogroup and de-initialization functions *****************************/
  538. HAL_StatusTypeDef HAL_CAN_Init(CAN_HandleTypeDef* hcan);
  539. HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef* hcan, CAN_FilterConfTypeDef* sFilterConfig);
  540. HAL_StatusTypeDef HAL_CAN_DeInit(CAN_HandleTypeDef* hcan);
  541. void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan);
  542. void HAL_CAN_MspDeInit(CAN_HandleTypeDef* hcan);
  543. /**
  544. * @}
  545. */
  546. /** @addtogroup CAN_Exported_Functions_Group2 Input and Output operation functions
  547. * @brief I/O operation functions
  548. * @{
  549. */
  550. /* IO operation functions *****************************************************/
  551. HAL_StatusTypeDef HAL_CAN_Transmit(CAN_HandleTypeDef *hcan, uint32_t Timeout);
  552. HAL_StatusTypeDef HAL_CAN_Transmit_IT(CAN_HandleTypeDef *hcan);
  553. HAL_StatusTypeDef HAL_CAN_Receive(CAN_HandleTypeDef *hcan, uint8_t FIFONumber, uint32_t Timeout);
  554. HAL_StatusTypeDef HAL_CAN_Receive_IT(CAN_HandleTypeDef *hcan, uint8_t FIFONumber);
  555. HAL_StatusTypeDef HAL_CAN_Sleep(CAN_HandleTypeDef *hcan);
  556. HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan);
  557. void HAL_CAN_IRQHandler(CAN_HandleTypeDef* hcan);
  558. void HAL_CAN_TxCpltCallback(CAN_HandleTypeDef* hcan);
  559. void HAL_CAN_RxCpltCallback(CAN_HandleTypeDef* hcan);
  560. void HAL_CAN_ErrorCallback(CAN_HandleTypeDef *hcan);
  561. /**
  562. * @}
  563. */
  564. /** @addtogroup CAN_Exported_Functions_Group3 Peripheral State and Error functions
  565. * @brief CAN Peripheral State functions
  566. * @{
  567. */
  568. /* Peripheral State and Error functions ***************************************/
  569. uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan);
  570. HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef* hcan);
  571. /**
  572. * @}
  573. */
  574. /**
  575. * @}
  576. */
  577. /* Private types -------------------------------------------------------------*/
  578. /* Private constants ---------------------------------------------------------*/
  579. /** @defgroup CAN_Private_Constants CAN Private Constants
  580. * @{
  581. */
  582. /** @defgroup CAN_transmit_constants CAN Transmit Constants
  583. * @{
  584. */
  585. #define CAN_TXSTATUS_NOMAILBOX ((uint8_t)0x04) /*!< CAN cell did not provide CAN_TxStatus_NoMailBox */
  586. /**
  587. * @}
  588. */
  589. #define CAN_FLAG_MASK ((uint32_t)0x000000FF)
  590. /**
  591. * @}
  592. */
  593. /* Private macros ------------------------------------------------------------*/
  594. /** @defgroup CAN_Private_Macros CAN Private Macros
  595. * @{
  596. */
  597. #define IS_CAN_MODE(MODE) (((MODE) == CAN_MODE_NORMAL) || \
  598. ((MODE) == CAN_MODE_LOOPBACK)|| \
  599. ((MODE) == CAN_MODE_SILENT) || \
  600. ((MODE) == CAN_MODE_SILENT_LOOPBACK))
  601. #define IS_CAN_SJW(SJW) (((SJW) == CAN_SJW_1TQ) || ((SJW) == CAN_SJW_2TQ)|| \
  602. ((SJW) == CAN_SJW_3TQ) || ((SJW) == CAN_SJW_4TQ))
  603. #define IS_CAN_BS1(BS1) ((BS1) <= CAN_BS1_16TQ)
  604. #define IS_CAN_BS2(BS2) ((BS2) <= CAN_BS2_8TQ)
  605. #define IS_CAN_PRESCALER(PRESCALER) (((PRESCALER) >= 1) && ((PRESCALER) <= 1024))
  606. #define IS_CAN_FILTER_NUMBER(NUMBER) ((NUMBER) <= 27)
  607. #define IS_CAN_FILTER_MODE(MODE) (((MODE) == CAN_FILTERMODE_IDMASK) || \
  608. ((MODE) == CAN_FILTERMODE_IDLIST))
  609. #define IS_CAN_FILTER_SCALE(SCALE) (((SCALE) == CAN_FILTERSCALE_16BIT) || \
  610. ((SCALE) == CAN_FILTERSCALE_32BIT))
  611. #define IS_CAN_FILTER_FIFO(FIFO) (((FIFO) == CAN_FILTER_FIFO0) || \
  612. ((FIFO) == CAN_FILTER_FIFO1))
  613. #define IS_CAN_BANKNUMBER(BANKNUMBER) ((BANKNUMBER) <= 28)
  614. #define IS_CAN_TRANSMITMAILBOX(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= ((uint8_t)0x02))
  615. #define IS_CAN_STDID(STDID) ((STDID) <= ((uint32_t)0x7FF))
  616. #define IS_CAN_EXTID(EXTID) ((EXTID) <= ((uint32_t)0x1FFFFFFF))
  617. #define IS_CAN_DLC(DLC) ((DLC) <= ((uint8_t)0x08))
  618. #define IS_CAN_IDTYPE(IDTYPE) (((IDTYPE) == CAN_ID_STD) || \
  619. ((IDTYPE) == CAN_ID_EXT))
  620. #define IS_CAN_RTR(RTR) (((RTR) == CAN_RTR_DATA) || ((RTR) == CAN_RTR_REMOTE))
  621. #define IS_CAN_FIFO(FIFO) (((FIFO) == CAN_FIFO0) || ((FIFO) == CAN_FIFO1))
  622. /**
  623. * @}
  624. */
  625. /* Private functions ---------------------------------------------------------*/
  626. /**
  627. * @}
  628. */
  629. /**
  630. * @}
  631. */
  632. #endif /* CAN1 */
  633. #ifdef __cplusplus
  634. }
  635. #endif
  636. #endif /* __STM32L4xx_HAL_CAN_LEGACY_H */
  637. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/